### Books

- M. Abu-Khalaf, J. Huang, F. L. Lewis,
*Nonlinear H2/H-infinity Constrained Feedback Control: A Practical Design Approach Using Neural Networks*Springer Verlag, August 2006. - A. al-Tamimi, M. Abu-Khalaf, F. L. Lewis,
*Discrete-time Control Algorithms and Adaptive Intelligent Systems Designs*, VDM Verlag Dr. Müller Verlag, July 2010.

### Book Chapters

- M. Abu-Khalaf, F. L. Lewis, “A Neural Network Approach for Nearly Optimal Control of Constrained Nonlinear Systems,”
*Intelligent Control Systems using Computational Intelligence Techniques*, edited by A. Ruano, IEE, London UK, 2005. - A. al-Tamimi, M. Abu-Khalaf, F. L. Lewis, “Model-free adaptive dynamic programming algorithms for H-infinity control of complex linear systems,”
*Modeling and Control of Complex Systems*, CRC Press in the Control Engineering Series, December 2007. - A. al-Tamimi, M. Abu-Khalaf, F. L. Lewis, “Heuristic Dynamic Programming Nonlinear Optimal Controller,”
*Machine Learning*, edited by Abdelhamid Mellouk and Abdennacer Chebira, January 2009.

### Refereed Journal Papers

- M. Abu-Khalaf, F. L. Lewis, “Nearly Optimal Control Laws for Nonlinear Systems with Saturating Actuators Using a Neural Network HJB Approach,”
*Automatica,*Volume 41, Issue 5, Pages 779-791, May 2005. - M. Abu-Khalaf, F. L. Lewis, “Nearly Optimal State Feedback Control of Constrained Nonlinear Systems Using a Neural Networks HJB Approach,”
*IFAC Annual Reviews in Control*, vol. 28, pp. 239-251, 2004. - J. Gadewadikar, F. L. Lewis, M. Abu-Khalaf, “Necessary and sufficient conditions for H-infinity static output-feedback control,”
*Journal of Guidance, Control, and Dynamics*, Vol. 29, No. 4, 915-920, July–August 2006. - M. Abu-Khalaf, F. L. Lewis, J. Huang, “Policy Iterations and the Hamilton-Jacobi-Isaacs Equation for H-infinity Statefeedback Control with Input Saturation,”
*IEEE Transactions on Automatic Control*, pp. 1989- 1995, December, 2006. - A. al-Tamimi, M. Abu-Khalaf, F. L. Lewis, “Adaptive Critic Designs for Discrete-Time Zero-Sum Games with Application to H-Infinity Control,”
*IEEE Transactions on Systems, Man, Cybernetics-Part B*, November 2006. - A. al-Tamimi, M. Abu-Khalaf, F. L. Lewis, “Model-Free Q-Learning Designs for Discrete-Time Zero-Sum Games with Application to H-Infinity Control,”
*Automatica*, Volume 43, Issue 3, Pages 473-481, March 2007. - J. Gadewadikar, Frank. L. Lewis, L. Xie, V. Kucera, M. Abu-Khalaf, “Parameterization of All Stabilizing H-infinity Static State-Feedback Gains: Application to Output-Feedback Design,”
*Automatica*, Volume 43, Issue 9, Pages 1597-1604, September 2007. - C. Tao, F. L. Lewis, M. Abu-Khalaf “A Neural Network Solution for Fixed-Final Time Optimal Control of Nonlinear Systems,”
*Automatica*, Volume 43, Issue 3, Pages 482-490, March 2007. - C. Tao, F. L. Lewis, M. Abu-Khalaf “Fixed-Final Time Constrained Optimal Control of Nonlinear Systems Using Neural Network HJB Approach,”
*IEEE Transactions on Neural Networks*, Volume 18, Issue 6, Page(s): 1725 - 1737, Nov 2007. - C. Tao, F. L. Lewis, M. Abu-Khalaf “Neural Network Solution for Finite-Horizon H-infinity State Feedback Control Of Nonlinear Systems,”
*International Journal of System Science,*Volume 38, Issue 12, pages 1029 - 1041, January 2007. - D. Vrabie, F.L. Lewis and M. Abu-Khalaf, “Biologically Inspired Scheme for Continuous-Time Approximate Dynamic Programming,”
*The Transactions of the Institute of Measurement and Control,*Vol 30, No. 3-4, pages 207 – 223, 2008. - M. Abu-Khalaf, F. L. Lewis, “Neuro Dynamic Programming and Zero-Sum Games for Constrained Control Systems,”
*IEEE Transactions on Neural Networks*, Volume 19, Issue 7, pages 1243 – 1252, July 2008. - A. al-Tamimi, F. L. Lewis, M. Abu-Khalaf, “Discrete-time nonlinear HJB solution using Approximate dynamic programming: Convergence Proof,”
*IEEE Transactions on Systems, Man, Cybernetics-Part B,*Volume 38, Issue 4, pages 943 – 949, Aug 2008. - D. Vrabie, O. Pastravanu, F. Lewis, M. Abu-Khalaf, “Adaptive Optimal Control for Continuous-Time Linear Systems Based on Policy Iteration”,
*Automatica*, Volume 45, Issue 2, pages 477-484, February 2009.

### Refereed and Published Conference Papers

- M. Abu-Khalaf, F. L. Lewis, “Nearly optimal HJB solution for constrained input systems using a neural network least-squares approach,”
*Proceedings of the 41st IEEE Conference on Decision and Control*, vol.1, pp 943 – 948, Las Vegas, USA, Dec 2002. - F. L. Lewis, M. Abu-Khalaf, “Nearly optimal state feedback control of constrained nonlinear systems using a neural network HJB approach,”
*Proceedings of the IFAC International Conference on Intelligent Control Systems and Signal Processing*,*Plenary paper*, Faro, Portugal, April 2003. - M. Abu-Khalaf, F. L. Lewis, “Nearly Optimal Control Laws for Nonlinear Systems with Saturating Actuators Using a Neural Network HJB Approach,”
*Proceedings of the 11th Mediterranean Conference on Control and Automation*, Rhodos, Greece, June 2003. - F. L. Lewis, M. Abu-Khalaf, “A Hamilton Jacobi setup for constrained neural network control,”
*Proceedings of the 2003 IEEE International Symposium on Intelligent Control*,*Plenary paper*, p1–15, Houston, USA, Oct 2003. - M. Abu-Khalaf, F. L. Lewis, J. Huang, “Computational Techniques for Constrained Nonlinear State Feedback H-infinity Optimal Control using Neural Networks,”
*Proceedings of the 12th Mediterranean Conference on Control and Automation*, Kusadasi, Turkey, 2004. - F. L. Lewis, M. Abu-Khalaf, J. Huang, “Robust Optimal Control of Constrained Input Systems Using Neural Networks,”
*Proceedings of 23*,^{rd}Chinese Control Conference*Plenary paper*, Wuxi, China, August, 2004. - F. L. Lewis, M. Abu-Khalaf, J. Huang, “Hamilton-Jacobi-Isaacs Formulation For Constrained Input Systems: Neural Network Solution,”
*Proceedings of 2nd IFAC Symposium on System, Structure, and Control*,*Plenary paper,*pp. 1-6, Oaxaca, Mexico, December, 2004. - M. Abu-Khalaf, F. L. Lewis, J. Huang, “Hamilton-Jacobi-Isaacs Formulation for Constrained Input Nonlinear Systems,”
*Proceedings of the 43rd IEEE Conference on Decision and Control*, pp 5034 –5040, Bahamas, Dec 2004. - M. Abu-Khalaf, F. L. Lewis, J. Huang, “Neural network H-infinity State feedback control with actuator saturation: The nonlinear benchmark problem,”
*Proceedings of the 5th International Conference on Control & Automation*, Budapest, Hungary, Jun 2005. - J. Gadewadikar, F. L. Lewis, M. Abu-Khalaf, “Necessary and sufficient conditions for H-infinity static output-feedback control,”
*The 7th IASTED International Conference on Control and Applications*, Cancun, Mexico, May 2005. - C. Tao, F. L. Lewis, M. Abu-Khalaf “A Neural Network Solution for Fixed-Final Time Optimal Control of Nonlinear Systems,”
*Proceedings of the 14th Mediterranean Conference on Control and Automation*, Italy, 2006. - J. Gadewadikar, F. L. Lewis, L. Xie, V. Kucera, M. Abu-Khalaf, “Parameterization of All Stabilizing H-infinity Static State-Feedback Gains: Application to Output-Feedback Design,”
*Proceedings of the 45th IEEE Conference on Decision and Control*, San Diego, USA, Dec 2006 - M. Abu-Khalaf, F.L. Lewis, A. al-Tamimi, and D. Vrabie, “Model-free adaptive dynamic programming for unknown systems,”
*The First International Conference on Computer Science & Education*, pp. 105-114, Xiamen, China, July 2006. - A. al-Tamimi, F. L. Lewis, M. Abu-Khalaf, "Model-Free Q-Learning Designs for Linear Discrete-Time Zero-Sum Games with Application to H-Infinity Control,"
*European Control Conference*, Kos, Greece, July 2007. - F. L. Lewis, M. Abu-Khalaf, A. al-Tamimi, D. Vrabie, "A perspective on the Development of Intelligent Neural Control Systems,"
*European Control Conference*, Kos, Greece, July 2007 - A. al-Tamimi, D. Vrabie, F. L. Lewis, M. Abu-Khalaf, "Model-free Approximate Dynamic Programming Schemes for Linear Systems,"
*International Joint Conference on Neural Networks*, Orlando, Florida 2007. - D. Vrabie, M. Abu-Khalaf, F. L. Lewis, Y. Wang, "Continuous-Time ADP for Linear Systems with Partially Unknown Dynamics,"
*IEEE International Symposium on Approximate Dynamic Programming and Reinforcement Learning*. Apr 01, 2007.

### Non-Refereed Conference Papers

- Proceedings of the 2003 NSF Design, Service and Manufacturing Grantees and Research Conference, Birmingham, AL, January, 2003
- Proceedings of the 2004 NSF Design, Service and Manufacturing Grantees and Research Conference, Dallas, TX, January, 2004
- Proceedings of the 2005 NSF Design, Service and Manufacturing Grantees and Research Conference, Scottsdale, AZ, January, 2005
- Proceedings of the 2006 NSF Design, Service and Manufacturing Grantees and Research Conference, Saint Louis, MO, July, 2006

### Other

- M. Abu-Khalaf, “Intelligent Tracking of Geostationary Satellites,” Master’s Thesis, The University of Texas at Arlington, August 2000